Backup Battery For iPhone: Octopus

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This peculiar backup battery probably got its name from the eight suckers and a flexible connector arm that connects to your iPhone or iPod touch. One thing for sure is that it’s pretty affordable but how does it perform? A fully charged Octopus which has a capacity of 1500mAh can charge a flat iPhone 4 to 70% of the battery life.

That’s pretty decent if you compare that to battery cases that cost a lot more. Built is average which feels a bit rubbery and chunky but it does the job well for that price. If you’re looking for a more sleeker and slimmer version, you might want to explore some other more expensive options.